<template>
  <div id="app">
    <button>你好</button>
    <button>你好</button>
    <div>{{message}}</div>

    <router-view/>
  </div>
</template>

<script>
  export default {
    name: "App3",
    data(){
      return{
        message:"mmmm"
      }
    }
  }
</script>

<style scoped>

</style>
